Old Testament readings use the Septuagint , the Scripture the apostles quoted. Masoretic numbering shown for reference.Learn why
LXX

Genesis 12:8

And he departed thence to the mountain eastward of Bæthel, and there he pitched his tent in Bæthel near the sea, and Aggai toward the east, and there he built an altar to the Lord, and called on the name of the Lord.

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